208038980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{547471}}^1$

素因数の和:547499

約数の個数: 24

約数和(自身を含む): 459876480

約数和(自身を除く): 251837500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 547471, 1094942, 2189884, 2737355, 5474710, 10401949, 10949420, 20803898, 41607796, 52009745, 104019490, 208038980]

約数ペア:

[(1, 208038980), (2, 104019490), (4, 52009745), (5, 41607796), (10, 20803898), (19, 10949420), (20, 10401949), (38, 5474710), (76, 2737355), (95, 2189884), (190, 1094942), (380, 547471)]